Polaris 850 MATRYX INDY XC 129 2021 Manual page 377

CHAINCASE SPROCKET RATIO SPEED CHART
7.063" (179.4 MM) CHAINCASE
UPPER LOWER
SPROCKET SPROCKET
22 44
22 45
20 42
19 40
9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
CHAIN LENGTH RATIO
72 2.00
72 2.05
70 2.10
68 2.11
FINAL DRIVE / BRAKE SYSTEMS
THEORETICAL VEHICLE SPEED (MPH) AT 1:1 SHIFT
RATIO @ RPM
8050 8250
86 88
84 86
82 84
82 84
8450
90
88
86
86
6
6.5